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root/cebix/BasiliskII/src/include/ether.h
Revision: 1.7
Committed: 2004-01-12T15:29:27Z (20 years, 4 months ago) by cebix
Content type: text/plain
Branch: MAIN
CVS Tags: nigel-build-16, nigel-build-15
Changes since 1.6: +1 -1 lines
Log Message:
Happy New Year! :)

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * ether.h - Ethernet device driver
3     *
4 cebix 1.7 * Basilisk II (C) 1997-2004 Christian Bauer
5 cebix 1.1 *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19     */
20    
21     #ifndef ETHER_H
22     #define ETHER_H
23    
24 cebix 1.4 struct sockaddr_in;
25    
26     extern void EtherInit(void);
27     extern void EtherExit(void);
28    
29 cebix 1.1 extern int16 EtherOpen(uint32 pb, uint32 dce);
30     extern int16 EtherControl(uint32 pb, uint32 dce);
31     extern void EtherReadPacket(uint8 **src, uint32 &dest, uint32 &len, uint32 &remaining);
32    
33     // System specific and internal functions/data
34     extern void EtherReset(void);
35     extern void EtherInterrupt(void);
36    
37 cebix 1.4 extern bool ether_init(void);
38     extern void ether_exit(void);
39 cebix 1.5 extern void ether_reset(void);
40 cebix 1.1 extern int16 ether_add_multicast(uint32 pb);
41     extern int16 ether_del_multicast(uint32 pb);
42     extern int16 ether_attach_ph(uint16 type, uint32 handler);
43     extern int16 ether_detach_ph(uint16 type);
44     extern int16 ether_write(uint32 wds);
45 cebix 1.4 extern bool ether_start_udp_thread(int socket_fd);
46     extern void ether_stop_udp_thread(void);
47     extern void ether_udp_read(uint8 *packet, int length, struct sockaddr_in *from);
48 cebix 1.1
49 cebix 1.4 extern uint8 ether_addr[6]; // Ethernet address (set by ether_init())
50 cebix 1.1
51     // Ethernet driver data in MacOS RAM
52     enum {
53     ed_DeferredTask = 0, // Deferred Task struct
54     ed_Code = 20, // DT code is stored here
55     ed_Result = 30, // Result for DT
56     ed_DCE = 34, // DCE for DT (must come directly behind ed_Result)
57     ed_RHA = 38, // Read header area
58     ed_ReadPacket = 52, // ReadPacket/ReadRest routines
59     SIZEOF_etherdata = 76
60     };
61    
62     extern uint32 ether_data; // Mac address of driver data in MacOS RAM
63 cebix 1.4
64     // Copy packet data from WDS to linear buffer (must hold at least 1514 bytes),
65     // returns packet length
66     static inline int ether_wds_to_buffer(uint32 wds, uint8 *p)
67     {
68     int len = 0;
69     while (len < 1514) {
70     int w = ReadMacInt16(wds);
71     if (w == 0)
72     break;
73     Mac2Host_memcpy(p, ReadMacInt32(wds + 2), w);
74     len += w;
75     p += w;
76     wds += 6;
77     }
78     return len;
79     }
80 cebix 1.1
81     #endif